Our Model 303 includes this dual check valve back-flow preventer. This allows the hydrant to meet this code requirement by protecting the domestic potable water supply. It is recommended that you not drink the water that comes out of the hydrant.

The Woodford Model Y2 is an automatic draining, backflow protected, frost proof yard hydrant intended for irrigation purposes and immediate water flow even in sub-zero temperatures. Applications include filling field spray equipment, cleaning tools, lawn and garden care, watering livestock and more. Specifications: MODEL 50HF BACKFLOW PREVENTER -

2022年11月1日 · The ASSE 1019 device (Wall Hydrant with Backflow Protection and Freeze Resistance) is the most familiar. This hydrant has an integral backflow protection device consisting of a check valve to prevent backpressure, and an air inlet to prevent backsiphonage.

Automatic draining with ASSE 1052 double check back flow preventer; Designed for use in public areas such as campgrounds, parks, & any location where potable water is required; Employs a reservoir below the front line to contain water; This hydrant is completely sealed to prevent surface and ground water from entering the reservoir or service line.

Hydrants are completely sealed to prevent ground water from entering the reservoir or service line; Diverter spout allows independent water flow when hose is attached to backflow preventer; The S4H meets ADA requirements for height and 5 lbs. maximum operating force

2021年10月19日 · You can just screw this onto the output of the faucet and then connect a hose to the backflow preventer. To allow the freeze-protection draining system to work, the backflow preventer may have to be unscrewed.

The Model S4H is an automatic draining, sanitary, frost proof Yard Hydrant, with ASSE 1052 double check backflow preventer. This hydrant is designed for use in public areas such as campgrounds and parks or any location were potable water is required.

The Model S4H is an automatic draining, sanitary, frost proof Yard Hydrant, with ASSE 1052 double check backlow preventer. This hydrant is designed for use in public areas such as campgrounds and parks or any location were potable water is required.

Works with standard, 3/4” frost-free yard hydrants (top cap will not fit nominal 1” hydrants).* Maximum operating water pressure 100 psig. DON’T FORGET to check out our YHME Shutoff Kit — allowing you to shut off water to your hydrant while keeping the rest of the system operational.

The YHME Model 303 is just like our Model 101 but with the addition of a dual check valve for back-flow prevention. If you need to prevent water from the hydrant from flowing back into the water supply, then the Model 303 is what you need.